Road traffic noise reducing devices. Non-acoustic performance - Methods of determination of the mechanical and stability characteristics
Road traffic noise reducing devices. Non-acoustic performance - Methods of determination of the mechanical and stability characteristics
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Road traffic noise reducing devices. Non-acoustic performance - Methods of determination of the mechanical and stability characteristics

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1 Scope

This document specifies criteria to categorize road traffic noise reducing devices according to basic mechanical characteristics under standard conditions of exposure, irrespective of the materials used. A range of conditions and optional requirements is provided in order to take into account the wide diversity of practice in Europe. Individual aspects of performance are covered separately in the annexes. Safety considerations in the event of damage to road noise reducing devices are covered in EN 1794‑2.

This document covers the current behaviour of the product. For the assessment of its long-term characteristics, EN 14389 is applicable.

NOTE    The test procedure described in Annex A does not consider the fatigue effect.